Display screen or portion thereof with transitional keyboard graphical user interface



FIG. 1 is a front view of a first image of a display screen or portionthereof with transitional keyboard graphical user interface showing mynew design;

FIG. 2 is a front view of a second image thereof;

FIG. 3 is a front view of a third image thereof;

FIG. 4 is a front view of a fourth image thereof;

FIG. 5 is an enlarged view of indicated portion (marked as number 5) ofFIG. 1;

FIG. 6 is an enlarged view of indicated portion (marked as number 6) ofFIG. 2;

FIG. 7 is an enlarged view of the indicated portion (marked as number 8)of FIG. 3; and,

FIG. 8 is an enlarged view of indicated portion (marked as number 8) ofFIG. 4.

The appearance of the transitional image sequentially transitionsbetween the images shown in FIGS. 1 through 4.

The process or period in which one image transitions to another imageforms no part of the claimed design. The outermost dot-dot-dash brokenline showing of a display screen or portion thereof, as well as thebroken line showing of elements of the graphical user interfaceillustrate portions of the article and do not form part of the claimeddesign. The dot-dash broken lines of FIGS. 1-4 illustrate the boundariesof the portions of the design from which FIGS. 5-8 have been taken andenlarged.

CLAIM The ornamental design for a display screen or portion thereof withtransitional keyboard graphical user interface, as shown and described.